TY - JOUR AU - Rui Dong TI - The Gauge Group and Perturbation Semigroup of an Operator System JO - Symmetry, integrability and geometry: methods and applications PY - 2022 VL - 18 UR - http://geodesic.mathdoc.fr/item/SIGMA_2022_18_a59/ LA - en ID - SIGMA_2022_18_a59 ER -